Entomology definition of Formicary September 8, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Formicary Entomology definition of Formicary: an ant’s nest or ant-hill. Entomology Formicary definitionFormicary Entomology explanationFormicary Entomology meaningReviews & Comments